Etchant composition and use thereof

Details Etchant composition and use thereof Etchant composition and use thereof

1980-11-26

1983-03-08

Kimlin, Edward C.

Compositions

Etching or brightening compositions

Inorganic acid containing

252 793, 252 792, 156664, 430318, C09K 1308, C09K 1306

Patent

active

043760570

ABSTRACT:
An aqueous acidic composition suitable for etching containing an acid and polyvinyl alcohol and use thereof.

REFERENCES:
patent: 2230156 (1940-01-01), Lutman
patent: 2687345 (1959-08-01), Murray
patent: 3108931 (1963-10-01), Wendell
patent: 3389065 (1968-06-01), Shibasaki
patent: 3389066 (1968-06-01), Shibasaki
patent: 3709824 (1971-01-01), Oda et al.
patent: 3767491 (1973-10-01), Chough
patent: 4308091 (1981-12-01), Schmitt et al.

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